Draft: Initial impl of az watcher

[kolluria]

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: kolluria Once this PR has been reviewed and has the lgtm label, please assign akankshapanse for approval. For more information see the Kubernetes Code Review Process.

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[k8s-ci-robot]

Hi @kolluria. Thanks for your PR.

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